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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2022/10/08 11:34:08 UTC

[GitHub] [iotdb] THUMarkLau commented on pull request #7300: fix issue 5884

THUMarkLau commented on PR #7300:
URL: https://github.com/apache/iotdb/pull/7300#issuecomment-1272298469

   For `CrossSpaceCompactionWriter`, multiple threads may write to multiple different `TsFileIOWriter`, if we synchronized them with a single object, it may lead to performance decrease. It's better to maintain a global array, which map sub-task-id to the writer they are using. When thread writes data, it only needs to synchronized the writer it is using.


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